unification-n; 2 Senses

Sense Number 1: becoming unified

Commentary: UNIFICATION[+event] The act of becoming a single unit, either with or without an agent.

John looked forward to the unification of his family for the holidays.
The unification of Ireland will probably not happen in our lifetimes.
Our CEO spearheaded the unification of several companies into one corporate conglomerate.
The President's unification of conflicting factions was seen as a major diplomatic victory.

WordNet 2.0 Sense Numbers: 1 3

Sense Number 2: state of being unified

Commentary: UNIFICATION[+event] The quality of several things being linked or otherwise united. Does not refer to the act of unifying. Probably rare.

The unification of our political parties has lasted for three years.
There is strength in unification!

WordNet 2.0 Sense Numbers: 2